:root {
    --ok: #2e7d32; --warning: #f9a825; --critical: #e64a19;
    --expired: #616161; --accomplished: #1565c0;
    --bg: #f5f6f8; --panel: #ffffff; --border: #e0e2e6; --text: #23262b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
.topbar { background: #1a2233; color: #fff; padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.topbar h1 { font-size: 1.15rem; margin: 0; }
.topbar nav a { color: #cfd8e8; text-decoration: none; margin-left: 18px; font-size: 0.95rem; }
.topbar nav a.active, .topbar nav a:hover { color: #fff; font-weight: 600; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; }
.stat-card .stat-num { display: block; font-size: 1.8rem; font-weight: 700; }
.stat-card .stat-label { font-size: 0.8rem; color: #666; text-transform: uppercase; letter-spacing: .03em; }
.stat-card.expired .stat-num { color: var(--expired); }
.stat-card.critical .stat-num { color: var(--critical); }
.stat-card.warning .stat-num { color: var(--warning); }
.stat-card.ok .stat-num { color: var(--ok); }
.stat-card.accomplished .stat-num { color: var(--accomplished); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.panel h2 { margin-top: 0; font-size: 1.05rem; }

.tracker-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tracker-table th, .tracker-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.tracker-table th { background: #fafbfc; font-size: 0.78rem; text-transform: uppercase; color: #666; }
.tracker-table a { color: #1a2233; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; color: #fff; }
.badge.ok { background: var(--ok); }
.badge.warning { background: var(--warning); color: #3a2c00; }
.badge.critical { background: var(--critical); }
.badge.expired { background: var(--expired); }
.badge.accomplished { background: var(--accomplished); }
.badge.status-upcoming { background: #6a1b9a; }
.badge.status-ongoing { background: #f9a825; color: #3a2c00; }
.badge.status-operational { background: #2e7d32; }
.badge.status-on-hold { background: #616161; }

.empty { color: #888; font-style: italic; padding: 12px 0; }

.filter-bar { margin-bottom: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.filter-bar a { padding: 6px 12px; border-radius: 20px; background: #eef0f3; text-decoration: none; color: #444; font-size: 0.85rem; }
.filter-bar a.active { background: #1a2233; color: #fff; }

.actions a, .link-btn { font-size: 0.85rem; margin-right: 8px; }
.link-btn { background: none; border: none; padding: 0; color: #1a2233; text-decoration: underline; cursor: pointer; font: inherit; }
.link-btn.danger { color: #c62828; }

.form-panel { max-width: 600px; }
.login-panel { max-width: 380px; margin: 60px auto; }
.milestone-form label { display: block; margin-bottom: 14px; font-size: 0.9rem; font-weight: 600; }
.milestone-form input, .milestone-form textarea { width: 100%; padding: 8px 10px; margin-top: 5px; border: 1px solid var(--border); border-radius: 6px; font: inherit; font-weight: 400; }
.field-hint { margin: -10px 0 14px; font-size: 0.8rem; color: #777; }
.field-hint a { color: #1a2233; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; margin: 0; }

.form-actions { display: flex; gap: 10px; margin-top: 10px; }
.btn-primary { background: #1a2233; color: #fff; border: none; padding: 10px 18px; border-radius: 6px; cursor: pointer; font: inherit; }
.btn-secondary { background: #eee; color: #333; padding: 10px 18px; border-radius: 6px; text-decoration: none; }

.alert.error { background: #fdecea; border: 1px solid #f5c2c0; color: #611a15; padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.alert.error ul { margin: 0; padding-left: 18px; }

footer { text-align: center; color: #999; font-size: 0.8rem; padding: 20px 0 40px; }